/* ============================================
   GoPhonics Marketing Website - Design System
   Premium Kids Educational App Landing Page
   ============================================ */

/* --- Google Fonts --- */
@import url('https://fonts.googleapis.com/css2?family=Outfit:wght@300;400;500;600;700;800;900&family=Fredoka:wght@300;400;500;600;700&display=swap');

/* --- CSS Custom Properties (Design Tokens) --- */
:root {
  /* Primary Palette */
  --color-primary: #4CAF50;
  --color-primary-dark: #388E3C;
  --color-primary-light: #81C784;
  --color-secondary: #FF9800;
  --color-secondary-dark: #F57C00;
  --color-accent-pink: #E91E63;
  --color-accent-purple: #9C27B0;
  --color-accent-blue: #2196F3;
  --color-accent-teal: #00BCD4;

  /* Neutral Palette */
  --color-bg-primary: #FDFBF7;
  --color-bg-secondary: #FFF8F0;
  --color-bg-dark: #1a1a2e;
  --color-bg-dark-secondary: #16213e;
  --color-text-primary: #2D3436;
  --color-text-secondary: #636e72;
  --color-text-light: #b2bec3;
  --color-text-white: #FFFFFF;
  --color-border: #E8E0D5;

  /* Gradients */
  --gradient-hero: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  --gradient-warm: linear-gradient(135deg, #f093fb 0%, #f5576c 100%);
  --gradient-green: linear-gradient(135deg, #43e97b 0%, #38f9d7 100%);
  --gradient-orange: linear-gradient(135deg, #fa709a 0%, #fee140 100%);
  --gradient-blue: linear-gradient(135deg, #a8edea 0%, #fed6e3 100%);
  --gradient-sunset: linear-gradient(135deg, #f6d365 0%, #fda085 100%);
  --gradient-dark: linear-gradient(135deg, #1a1a2e 0%, #16213e 50%, #0f3460 100%);
  --gradient-glass: linear-gradient(135deg, rgba(255,255,255,0.15) 0%, rgba(255,255,255,0.05) 100%);

  /* Shadows */
  --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.06);
  --shadow-md: 0 4px 20px rgba(0, 0, 0, 0.08);
  --shadow-lg: 0 12px 40px rgba(0, 0, 0, 0.12);
  --shadow-xl: 0 20px 60px rgba(0, 0, 0, 0.15);
  --shadow-glow-green: 0 0 40px rgba(76, 175, 80, 0.3);
  --shadow-glow-orange: 0 0 40px rgba(255, 152, 0, 0.3);
  --shadow-glow-pink: 0 0 40px rgba(233, 30, 99, 0.3);

  /* Typography */
  --font-display: 'Fredoka', 'Outfit', sans-serif;
  --font-body: 'Outfit', -apple-system, BlinkMacSystemFont, sans-serif;

  /* Spacing */
  --space-xs: 0.25rem;
  --space-sm: 0.5rem;
  --space-md: 1rem;
  --space-lg: 1.5rem;
  --space-xl: 2rem;
  --space-2xl: 3rem;
  --space-3xl: 4rem;
  --space-4xl: 6rem;

  /* Border Radius */
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 20px;
  --radius-xl: 28px;
  --radius-full: 50%;

  /* Transitions */
  --transition-fast: 0.2s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-base: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-slow: 0.5s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-spring: 0.6s cubic-bezier(0.34, 1.56, 0.64, 1);

  /* Layout */
  --max-width: 1200px;
  --header-height: 72px;
}

/* --- Base Reset & Defaults --- */
*, *::before, *::after {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  font-family: var(--font-body);
  color: var(--color-text-primary);
  background-color: var(--color-bg-primary);
  line-height: 1.7;
  overflow-x: hidden;
}

img {
  max-width: 100%;
  height: auto;
  display: block;
}

a {
  text-decoration: none;
  color: inherit;
  transition: var(--transition-fast);
}

ul, ol {
  list-style: none;
}

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-display);
  line-height: 1.25;
  font-weight: 700;
}

h1 { font-size: clamp(2.2rem, 5vw, 3.8rem); }
h2 { font-size: clamp(1.8rem, 4vw, 2.8rem); }
h3 { font-size: clamp(1.2rem, 3vw, 1.6rem); }
h4 { font-size: clamp(1rem, 2vw, 1.3rem); }

p {
  font-size: clamp(1rem, 1.5vw, 1.15rem);
  color: var(--color-text-secondary);
}

/* --- Utility Classes --- */
.container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 var(--space-xl);
}

.section {
  padding: var(--space-4xl) 0;
}

.section-label {
  display: inline-block;
  font-family: var(--font-display);
  font-size: 0.85rem;
  font-weight: 600;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: var(--color-primary);
  background: linear-gradient(135deg, rgba(76, 175, 80, 0.1), rgba(56, 142, 60, 0.05));
  padding: 6px 18px;
  border-radius: 50px;
  margin-bottom: var(--space-md);
}

.section-title {
  margin-bottom: var(--space-md);
}

.section-subtitle {
  max-width: 680px;
  margin: 0 auto var(--space-2xl);
  text-align: center;
}

.text-center { text-align: center; }
.text-gradient {
  background: linear-gradient(135deg, var(--color-primary), var(--color-accent-teal));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.text-gradient-warm {
  background: linear-gradient(135deg, var(--color-secondary), var(--color-accent-pink));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

/* --- Glassmorphism Card --- */
.glass-card {
  background: rgba(255, 255, 255, 0.7);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border: 1px solid rgba(255, 255, 255, 0.4);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-md);
  transition: var(--transition-base);
}

.glass-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
}

.glass-card-dark {
  background: rgba(255, 255, 255, 0.06);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: var(--radius-xl);
}

/* --- Buttons --- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 14px 32px;
  border-radius: 50px;
  font-family: var(--font-display);
  font-size: 1.05rem;
  font-weight: 600;
  border: none;
  cursor: pointer;
  transition: var(--transition-spring);
  position: relative;
  overflow: hidden;
}

.btn::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(255,255,255,0.2), transparent);
  opacity: 0;
  transition: var(--transition-fast);
}

.btn:hover::after {
  opacity: 1;
}

.btn-primary {
  background: linear-gradient(135deg, var(--color-primary), var(--color-primary-dark));
  color: var(--color-text-white);
  box-shadow: var(--shadow-glow-green);
}

.btn-primary:hover {
  transform: translateY(-3px) scale(1.03);
  box-shadow: 0 0 60px rgba(76, 175, 80, 0.45);
}

.btn-secondary {
  background: rgba(255, 255, 255, 0.9);
  color: var(--color-text-primary);
  border: 2px solid var(--color-border);
  box-shadow: var(--shadow-sm);
}

.btn-secondary:hover {
  transform: translateY(-3px) scale(1.03);
  border-color: var(--color-primary-light);
  box-shadow: var(--shadow-md);
}

.btn-cta {
  background: linear-gradient(135deg, var(--color-secondary), var(--color-accent-pink));
  color: var(--color-text-white);
  box-shadow: var(--shadow-glow-orange);
  font-size: 1.15rem;
  padding: 16px 40px;
}

.btn-cta:hover {
  transform: translateY(-3px) scale(1.05);
  box-shadow: 0 0 60px rgba(255, 152, 0, 0.5);
}

.btn-icon {
  width: 20px;
  height: 20px;
}

/* --- Header & Navigation --- */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: var(--header-height);
  z-index: 1000;
  transition: var(--transition-base);
}

.site-header.scrolled {
  background: rgba(253, 251, 247, 0.92);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid rgba(0, 0, 0, 0.06);
  box-shadow: var(--shadow-sm);
}

.header-inner {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 var(--space-xl);
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.logo {
  display: flex;
  align-items: center;
  gap: 12px;
  font-family: var(--font-display);
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--color-text-primary);
}

.logo img {
  width: 42px;
  height: 42px;
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-sm);
}

.logo span {
  background: linear-gradient(135deg, var(--color-primary), var(--color-accent-teal));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: var(--space-xl);
}

.nav-links a {
  font-weight: 500;
  color: var(--color-text-secondary);
  position: relative;
  padding: 4px 0;
}

.nav-links a::after {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--color-primary);
  border-radius: 2px;
  transition: var(--transition-fast);
}

.nav-links a:hover {
  color: var(--color-primary);
}

.nav-links a:hover::after {
  width: 100%;
}

.nav-cta {
  padding: 10px 24px !important;
  background: linear-gradient(135deg, var(--color-primary), var(--color-primary-dark)) !important;
  color: var(--color-text-white) !important;
  border-radius: 50px !important;
  font-weight: 600 !important;
  box-shadow: var(--shadow-glow-green);
}

.nav-cta::after { display: none !important; }

.nav-cta:hover {
  transform: translateY(-2px) scale(1.05);
}

/* Mobile Menu Toggle */
.menu-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  padding: 8px;
  border: none;
  background: none;
  z-index: 1001;
}

.menu-toggle span {
  width: 26px;
  height: 2.5px;
  background: var(--color-text-primary);
  border-radius: 4px;
  transition: var(--transition-fast);
}

.menu-toggle.active span:nth-child(1) {
  transform: rotate(45deg) translate(5px, 5px);
}
.menu-toggle.active span:nth-child(2) {
  opacity: 0;
}
.menu-toggle.active span:nth-child(3) {
  transform: rotate(-45deg) translate(5px, -5px);
}

/* --- HERO Section --- */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  position: relative;
  overflow: hidden;
  padding-top: var(--header-height);
  background: var(--color-bg-primary);
}

.hero::before {
  content: '';
  position: absolute;
  top: -20%;
  right: -10%;
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, rgba(76, 175, 80, 0.08) 0%, transparent 70%);
  border-radius: 50%;
  animation: float 8s ease-in-out infinite;
}

.hero::after {
  content: '';
  position: absolute;
  bottom: -15%;
  left: -8%;
  width: 500px;
  height: 500px;
  background: radial-gradient(circle, rgba(255, 152, 0, 0.06) 0%, transparent 70%);
  border-radius: 50%;
  animation: float 10s ease-in-out infinite reverse;
}

.hero-inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-3xl);
  align-items: center;
  position: relative;
  z-index: 1;
}

.hero-content {
  display: flex;
  flex-direction: column;
  gap: var(--space-lg);
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: linear-gradient(135deg, rgba(76,175,80,0.12), rgba(0,188,212,0.08));
  border: 1px solid rgba(76,175,80,0.2);
  padding: 8px 20px;
  border-radius: 50px;
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--color-primary-dark);
  width: fit-content;
  animation: slideInUp 0.8s ease-out;
}

.hero-badge .badge-dot {
  width: 8px;
  height: 8px;
  background: var(--color-primary);
  border-radius: 50%;
  animation: pulse-dot 2s infinite;
}

.hero h1 {
  animation: slideInUp 0.8s ease-out 0.1s both;
}

.hero h1 .highlight {
  position: relative;
  display: inline-block;
}

.hero h1 .highlight::after {
  content: '';
  position: absolute;
  bottom: 4px;
  left: 0;
  width: 100%;
  height: 12px;
  background: linear-gradient(135deg, rgba(76, 175, 80, 0.25), rgba(0, 188, 212, 0.15));
  border-radius: 4px;
  z-index: -1;
}

.hero-description {
  font-size: clamp(1.05rem, 1.8vw, 1.25rem);
  line-height: 1.8;
  animation: slideInUp 0.8s ease-out 0.2s both;
}

.hero-actions {
  display: flex;
  gap: var(--space-md);
  flex-wrap: wrap;
  animation: slideInUp 0.8s ease-out 0.3s both;
}

.hero-stats {
  display: flex;
  gap: var(--space-2xl);
  padding-top: var(--space-lg);
  animation: slideInUp 0.8s ease-out 0.4s both;
}

.hero-stat {
  display: flex;
  flex-direction: column;
}

.hero-stat .stat-number {
  font-family: var(--font-display);
  font-size: 1.8rem;
  font-weight: 800;
  background: linear-gradient(135deg, var(--color-primary), var(--color-accent-teal));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-stat .stat-label {
  font-size: 0.88rem;
  color: var(--color-text-light);
  font-weight: 500;
}

.hero-visual {
  position: relative;
  display: flex;
  justify-content: center;
  align-items: center;
  animation: slideInUp 0.8s ease-out 0.2s both;
}

.hero-image {
  width: 100%;
  max-width: 560px;
  border-radius: var(--radius-xl);
  position: relative;
  z-index: 2;
  filter: drop-shadow(0 20px 60px rgba(0,0,0,0.12));
}

.hero-float-1,
.hero-float-2,
.hero-float-3 {
  position: absolute;
  border-radius: var(--radius-lg);
  z-index: 1;
}

.hero-float-1 {
  top: -5%;
  right: -5%;
  width: 80px;
  height: 80px;
  background: linear-gradient(135deg, #FFD93D, #FF6B6B);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 2.2rem;
  box-shadow: var(--shadow-lg);
  animation: float 4s ease-in-out infinite;
}

.hero-float-2 {
  bottom: 5%;
  left: -8%;
  width: 70px;
  height: 70px;
  background: linear-gradient(135deg, #a8edea, #fed6e3);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.8rem;
  box-shadow: var(--shadow-lg);
  animation: float 5s ease-in-out infinite 1s;
}

.hero-float-3 {
  top: 30%;
  left: -12%;
  width: 60px;
  height: 60px;
  background: linear-gradient(135deg, #c3fae8, #d3f9d8);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.6rem;
  box-shadow: var(--shadow-md);
  animation: float 6s ease-in-out infinite 0.5s;
}

/* --- Floating Bubbles Background --- */
.floating-bubbles {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
  overflow: hidden;
  z-index: 0;
}

.bubble {
  position: absolute;
  border-radius: 50%;
  animation: bubbleFloat linear infinite;
  opacity: 0.5;
}

/* --- Trusted By / Social Proof --- */
.social-proof {
  padding: var(--space-2xl) 0;
  background: var(--color-bg-secondary);
  border-top: 1px solid var(--color-border);
  border-bottom: 1px solid var(--color-border);
}

.social-proof-inner {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-3xl);
  flex-wrap: wrap;
}

.proof-item {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 500;
  color: var(--color-text-secondary);
  font-size: 0.95rem;
}

.proof-stars {
  color: #FFD93D;
  font-size: 1.1rem;
}

.proof-icon {
  font-size: 1.6rem;
}

/* --- Features Section --- */
.features {
  background: var(--color-bg-primary);
  position: relative;
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-xl);
}

.feature-card {
  padding: var(--space-2xl);
  text-align: center;
  position: relative;
  overflow: hidden;
}

.feature-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 60%;
  height: 3px;
  border-radius: 0 0 4px 4px;
  opacity: 0;
  transition: var(--transition-base);
}

.feature-card:hover::before {
  opacity: 1;
}

.feature-card:nth-child(1)::before { background: var(--gradient-green); }
.feature-card:nth-child(2)::before { background: var(--gradient-orange); }
.feature-card:nth-child(3)::before { background: var(--gradient-warm); }
.feature-card:nth-child(4)::before { background: linear-gradient(135deg, #667eea, #764ba2); }
.feature-card:nth-child(5)::before { background: linear-gradient(135deg, #f6d365, #fda085); }
.feature-card:nth-child(6)::before { background: linear-gradient(135deg, #a8edea, #fed6e3); }

.feature-icon {
  width: 72px;
  height: 72px;
  border-radius: var(--radius-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 2rem;
  margin: 0 auto var(--space-lg);
  transition: var(--transition-spring);
}

.feature-card:hover .feature-icon {
  transform: scale(1.1) rotate(-5deg);
}

.feature-icon-green { background: linear-gradient(135deg, rgba(76,175,80,0.15), rgba(56,142,60,0.08)); }
.feature-icon-orange { background: linear-gradient(135deg, rgba(255,152,0,0.15), rgba(245,124,0,0.08)); }
.feature-icon-pink { background: linear-gradient(135deg, rgba(233,30,99,0.15), rgba(156,39,176,0.08)); }
.feature-icon-blue { background: linear-gradient(135deg, rgba(33,150,243,0.15), rgba(0,188,212,0.08)); }
.feature-icon-purple { background: linear-gradient(135deg, rgba(156,39,176,0.15), rgba(103,58,183,0.08)); }
.feature-icon-teal { background: linear-gradient(135deg, rgba(0,188,212,0.15), rgba(0,150,136,0.08)); }

.feature-card h3 {
  margin-bottom: var(--space-sm);
}

.feature-card p {
  font-size: 0.95rem;
  line-height: 1.7;
}

/* --- How It Works --- */
.how-it-works {
  background: var(--gradient-dark);
  color: var(--color-text-white);
  position: relative;
  overflow: hidden;
}

.how-it-works::before {
  content: '';
  position: absolute;
  top: -100px;
  right: -100px;
  width: 400px;
  height: 400px;
  background: radial-gradient(circle, rgba(76,175,80,0.1) 0%, transparent 70%);
  border-radius: 50%;
}

.how-it-works .section-label {
  background: rgba(76,175,80,0.15);
  color: var(--color-primary-light);
}

.how-it-works .section-subtitle {
  color: rgba(255,255,255,0.65);
}

.journey-steps {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-xl);
  margin-top: var(--space-2xl);
}

.journey-step {
  padding: var(--space-2xl);
  text-align: center;
  position: relative;
}

.step-number {
  font-family: var(--font-display);
  font-size: 3.5rem;
  font-weight: 900;
  background: linear-gradient(135deg, rgba(255,255,255,0.1), rgba(255,255,255,0.03));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  margin-bottom: var(--space-md);
}

.step-image {
  width: 100%;
  max-width: 280px;
  margin: 0 auto var(--space-lg);
  border-radius: var(--radius-lg);
  box-shadow: 0 12px 40px rgba(0,0,0,0.3);
}

.journey-step h3 {
  margin-bottom: var(--space-sm);
  color: var(--color-text-white);
}

.journey-step p {
  color: rgba(255,255,255,0.6);
  font-size: 0.95rem;
}

/* --- Comparison Table --- */
.comparison {
  background: var(--color-bg-secondary);
  position: relative;
}

.comparison-table-wrapper {
  overflow-x: auto;
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-lg);
  margin-top: var(--space-2xl);
  -webkit-overflow-scrolling: touch;
}

.comparison-table {
  width: 100%;
  min-width: 900px;
  border-collapse: separate;
  border-spacing: 0;
  background: white;
  border-radius: var(--radius-xl);
  overflow: hidden;
}

.comparison-table thead th {
  background: var(--gradient-dark);
  color: var(--color-text-white);
  padding: 18px 20px;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 0.92rem;
  text-align: left;
  white-space: nowrap;
}

.comparison-table thead th:first-child {
  border-radius: var(--radius-xl) 0 0 0;
}

.comparison-table thead th:last-child {
  border-radius: 0 var(--radius-xl) 0 0;
}

.comparison-table tbody tr {
  transition: var(--transition-fast);
}

.comparison-table tbody tr:hover {
  background: rgba(76, 175, 80, 0.04);
}

.comparison-table tbody td {
  padding: 16px 20px;
  border-bottom: 1px solid rgba(0,0,0,0.05);
  font-size: 0.92rem;
  vertical-align: middle;
}

.comparison-table tbody tr:last-child td {
  border-bottom: none;
}

.comparison-table tbody tr.highlight-row {
  background: linear-gradient(90deg, rgba(76,175,80,0.06), rgba(0,188,212,0.04));
}

.comparison-table tbody tr.highlight-row td:first-child {
  font-weight: 700;
  color: var(--color-primary-dark);
}

.check-icon { color: var(--color-primary); font-weight: bold; }
.cross-icon { color: #e74c3c; }
.partial-icon { color: var(--color-secondary); }

/* --- Testimonials --- */
.testimonials {
  background: var(--color-bg-primary);
}

.testimonials-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-xl);
  margin-top: var(--space-2xl);
}

.testimonial-card {
  padding: var(--space-2xl);
  position: relative;
}

.testimonial-card::before {
  content: '"';
  font-family: var(--font-display);
  font-size: 4rem;
  font-weight: 900;
  position: absolute;
  top: 16px;
  left: 24px;
  opacity: 0.08;
  line-height: 1;
}

.testimonial-stars {
  color: #FFD93D;
  font-size: 1.1rem;
  margin-bottom: var(--space-md);
}

.testimonial-text {
  font-style: italic;
  margin-bottom: var(--space-lg);
  font-size: 0.98rem;
  line-height: 1.8;
}

.testimonial-author {
  display: flex;
  align-items: center;
  gap: 12px;
}

.testimonial-avatar {
  width: 44px;
  height: 44px;
  border-radius: var(--radius-full);
  background: var(--gradient-green);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  color: white;
  font-size: 1rem;
}

.testimonial-author-name {
  font-weight: 600;
  font-size: 0.95rem;
}

.testimonial-author-role {
  font-size: 0.82rem;
  color: var(--color-text-light);
}

/* --- Pricing Section --- */
.pricing {
  background: var(--color-bg-secondary);
}

.pricing-cards {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-xl);
  max-width: 800px;
  margin: var(--space-2xl) auto 0;
}

.pricing-card {
  padding: var(--space-2xl);
  text-align: center;
  position: relative;
}

.pricing-card.featured {
  border: 2px solid var(--color-primary);
  transform: scale(1.03);
}

.pricing-badge {
  position: absolute;
  top: -14px;
  left: 50%;
  transform: translateX(-50%);
  background: linear-gradient(135deg, var(--color-primary), var(--color-accent-teal));
  color: white;
  padding: 6px 20px;
  border-radius: 50px;
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 1px;
  text-transform: uppercase;
}

.pricing-amount {
  font-family: var(--font-display);
  font-size: 3rem;
  font-weight: 800;
  margin: var(--space-md) 0;
}

.pricing-amount .currency {
  font-size: 1.5rem;
  vertical-align: super;
}

.pricing-amount .period {
  font-size: 1rem;
  font-weight: 400;
  color: var(--color-text-secondary);
}

.pricing-features {
  text-align: left;
  margin: var(--space-xl) 0;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.pricing-features li {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 0.95rem;
  color: var(--color-text-secondary);
}

.pricing-features li::before {
  content: '✓';
  color: var(--color-primary);
  font-weight: 700;
  font-size: 1.1rem;
  min-width: 20px;
}

/* --- FAQ / AEO Section --- */
.faq {
  background: var(--color-bg-primary);
}

.faq-grid {
  max-width: 800px;
  margin: var(--space-2xl) auto 0;
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
}

.faq-item {
  border-radius: var(--radius-lg);
  overflow: hidden;
  background: white;
  border: 1px solid var(--color-border);
  transition: var(--transition-base);
}

.faq-item:hover {
  border-color: var(--color-primary-light);
}

.faq-question {
  width: 100%;
  padding: var(--space-lg) var(--space-xl);
  background: none;
  border: none;
  text-align: left;
  font-family: var(--font-display);
  font-size: 1.05rem;
  font-weight: 600;
  color: var(--color-text-primary);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-md);
  transition: var(--transition-fast);
}

.faq-question:hover {
  color: var(--color-primary);
}

.faq-arrow {
  transition: var(--transition-base);
  font-size: 1.3rem;
  min-width: 24px;
  text-align: center;
}

.faq-item.active .faq-arrow {
  transform: rotate(180deg);
}

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

.faq-item.active .faq-answer {
  max-height: 400px;
}

.faq-answer-inner {
  padding: 0 var(--space-xl) var(--space-lg);
  color: var(--color-text-secondary);
  line-height: 1.8;
  font-size: 0.95rem;
}

/* --- CTA Section --- */
.cta-section {
  background: var(--gradient-dark);
  color: var(--color-text-white);
  text-align: center;
  position: relative;
  overflow: hidden;
}

.cta-section::before {
  content: '';
  position: absolute;
  top: -200px;
  left: 50%;
  transform: translateX(-50%);
  width: 800px;
  height: 800px;
  background: radial-gradient(circle, rgba(76,175,80,0.08) 0%, transparent 60%);
  border-radius: 50%;
}

.cta-content {
  position: relative;
  z-index: 1;
}

.cta-content h2 {
  margin-bottom: var(--space-md);
}

.cta-content p {
  color: rgba(255,255,255,0.65);
  max-width: 600px;
  margin: 0 auto var(--space-2xl);
}

.cta-actions {
  display: flex;
  gap: var(--space-md);
  justify-content: center;
  flex-wrap: wrap;
}

.cta-app-store {
  height: 52px;
  width: auto;
  cursor: pointer;
  transition: var(--transition-spring);
  filter: brightness(1);
}

.cta-app-store:hover {
  transform: translateY(-3px) scale(1.05);
  filter: brightness(1.1);
}

/* --- Footer --- */
.site-footer {
  background: #0d0d1a;
  color: rgba(255,255,255,0.5);
  padding: var(--space-3xl) 0 var(--space-xl);
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: var(--space-2xl);
  margin-bottom: var(--space-2xl);
}

.footer-brand {
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
}

.footer-brand .logo {
  font-size: 1.3rem;
}

.footer-brand .logo span {
  -webkit-text-fill-color: rgba(255,255,255,0.85);
}

.footer-brand p {
  color: rgba(255,255,255,0.4);
  font-size: 0.9rem;
  max-width: 300px;
  line-height: 1.7;
}

.footer-column h4 {
  color: rgba(255,255,255,0.8);
  font-family: var(--font-display);
  font-size: 1rem;
  margin-bottom: var(--space-lg);
}

.footer-column a {
  display: block;
  color: rgba(255,255,255,0.4);
  padding: 4px 0;
  font-size: 0.9rem;
  transition: var(--transition-fast);
}

.footer-column a:hover {
  color: var(--color-primary-light);
  transform: translateX(4px);
}

.footer-bottom {
  border-top: 1px solid rgba(255,255,255,0.06);
  padding-top: var(--space-xl);
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: var(--space-md);
}

.footer-bottom p {
  font-size: 0.85rem;
  color: rgba(255,255,255,0.3);
}

.footer-social {
  display: flex;
  gap: var(--space-md);
}

.footer-social a {
  width: 38px;
  height: 38px;
  border-radius: var(--radius-full);
  background: rgba(255,255,255,0.06);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.1rem;
  transition: var(--transition-spring);
}

.footer-social a:hover {
  background: var(--color-primary);
  transform: translateY(-3px);
}

/* --- Page Header (for inner pages) --- */
.page-header {
  padding-top: calc(var(--header-height) + var(--space-3xl));
  padding-bottom: var(--space-3xl);
  background: var(--gradient-dark);
  color: var(--color-text-white);
  text-align: center;
  position: relative;
  overflow: hidden;
}

.page-header::before {
  content: '';
  position: absolute;
  top: -100px;
  right: -100px;
  width: 400px;
  height: 400px;
  background: radial-gradient(circle, rgba(76,175,80,0.08), transparent 70%);
  border-radius: 50%;
}

.page-header h1 {
  margin-bottom: var(--space-md);
}

.page-header p {
  color: rgba(255,255,255,0.6);
  max-width: 600px;
  margin: 0 auto;
}

/* --- Inner Page Content --- */
.page-content {
  padding: var(--space-3xl) 0;
}

.page-content h2 {
  margin-top: var(--space-2xl);
  margin-bottom: var(--space-md);
  padding-bottom: var(--space-sm);
  border-bottom: 2px solid var(--color-border);
}

.page-content h3 {
  margin-top: var(--space-xl);
  margin-bottom: var(--space-sm);
}

.page-content p {
  margin-bottom: var(--space-md);
}

.page-content ul, .page-content ol {
  padding-left: var(--space-xl);
  margin-bottom: var(--space-md);
}

.page-content ul li, .page-content ol li {
  list-style: disc;
  margin-bottom: var(--space-sm);
  color: var(--color-text-secondary);
  line-height: 1.8;
}

.page-content ol li {
  list-style: decimal;
}

.page-content .content-card {
  max-width: 860px;
  margin: 0 auto;
}

/* --- Contact Page --- */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-2xl);
  margin-top: var(--space-2xl);
}

.contact-info {
  display: flex;
  flex-direction: column;
  gap: var(--space-xl);
}

.contact-item {
  display: flex;
  gap: var(--space-md);
  align-items: flex-start;
}

.contact-icon {
  width: 48px;
  height: 48px;
  border-radius: var(--radius-md);
  background: linear-gradient(135deg, rgba(76,175,80,0.12), rgba(0,188,212,0.08));
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.3rem;
  flex-shrink: 0;
}

.contact-form {
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.form-group label {
  font-weight: 600;
  font-size: 0.9rem;
  color: var(--color-text-primary);
}

.form-group input,
.form-group textarea,
.form-group select {
  padding: 14px 18px;
  border: 2px solid var(--color-border);
  border-radius: var(--radius-md);
  font-family: var(--font-body);
  font-size: 1rem;
  transition: var(--transition-fast);
  background: white;
  color: var(--color-text-primary);
}

.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 4px rgba(76,175,80,0.1);
}

.form-group textarea {
  min-height: 140px;
  resize: vertical;
}

/* --- Animations --- */
@keyframes float {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-20px); }
}

@keyframes slideInUp {
  from {
    opacity: 0;
    transform: translateY(30px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes pulse-dot {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.5; transform: scale(0.7); }
}

@keyframes bubbleFloat {
  0% {
    transform: translateY(100vh) rotate(0deg);
    opacity: 0;
  }
  10% {
    opacity: 0.5;
  }
  90% {
    opacity: 0.5;
  }
  100% {
    transform: translateY(-100px) rotate(360deg);
    opacity: 0;
  }
}

@keyframes fadeInScale {
  from {
    opacity: 0;
    transform: scale(0.9) translateY(20px);
  }
  to {
    opacity: 1;
    transform: scale(1) translateY(0);
  }
}

.animate-on-scroll {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.6s ease-out, transform 0.6s ease-out;
}

.animate-on-scroll.visible {
  opacity: 1;
  transform: translateY(0);
}

/* --- Responsive Design --- */
@media (max-width: 1024px) {
  .hero-inner {
    grid-template-columns: 1fr;
    text-align: center;
    gap: var(--space-2xl);
  }

  .hero-content {
    align-items: center;
  }

  .hero-stats {
    justify-content: center;
  }

  .hero-visual {
    max-width: 480px;
    margin: 0 auto;
  }

  .features-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .journey-steps {
    grid-template-columns: repeat(2, 1fr);
  }

  .footer-grid {
    grid-template-columns: 1fr 1fr;
  }
}

@media (max-width: 768px) {
  .nav-links {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(253, 251, 247, 0.98);
    backdrop-filter: blur(20px);
    flex-direction: column;
    justify-content: center;
    gap: var(--space-xl);
    z-index: 999;
  }

  .nav-links.active {
    display: flex;
  }

  .nav-links a {
    font-size: 1.2rem;
  }

  .menu-toggle {
    display: flex;
  }

  .hero {
    min-height: auto;
    padding-top: calc(var(--header-height) + var(--space-2xl));
    padding-bottom: var(--space-2xl);
  }

  .hero-actions {
    justify-content: center;
  }

  .features-grid,
  .journey-steps,
  .testimonials-grid {
    grid-template-columns: 1fr;
  }

  .pricing-cards {
    grid-template-columns: 1fr;
  }

  .pricing-card.featured {
    transform: none;
  }

  .contact-grid {
    grid-template-columns: 1fr;
  }

  .footer-grid {
    grid-template-columns: 1fr;
    gap: var(--space-xl);
  }

  .footer-bottom {
    flex-direction: column;
    text-align: center;
  }

  .hero-float-1, .hero-float-2, .hero-float-3 {
    display: none;
  }

  .social-proof-inner {
    gap: var(--space-lg);
  }
}

@media (max-width: 480px) {
  .container {
    padding: 0 var(--space-md);
  }

  .section {
    padding: var(--space-2xl) 0;
  }

  .hero-stats {
    flex-direction: column;
    gap: var(--space-md);
  }

  .btn {
    padding: 12px 24px;
    font-size: 0.95rem;
  }

  .btn-cta {
    padding: 14px 32px;
    font-size: 1.05rem;
  }
}

/* --- Schema/SEO Hidden Structured Data Styling --- */
.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  border: 0;
}

/* --- AEO Direct Answer Box --- */
.direct-answer-box {
  background: rgba(76, 175, 80, 0.06);
  border: 1px solid rgba(76, 175, 80, 0.25);
  border-left: 4px solid var(--color-primary);
  border-radius: var(--radius-md);
  padding: var(--space-md) var(--space-lg);
  margin-top: var(--space-md);
  margin-bottom: var(--space-lg);
  font-size: 0.95rem;
  line-height: 1.6;
  color: var(--color-text-primary);
}

.direct-answer-box strong {
  color: var(--color-primary-dark);
  font-family: var(--font-display);
}

/* --- ASO App Store Specs Badge --- */
.app-store-specs {
  background: white;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  padding: var(--space-lg) var(--space-xl);
  margin-top: var(--space-2xl);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-lg);
  box-shadow: var(--shadow-md);
  flex-wrap: wrap;
}

.app-spec-item {
  display: flex;
  align-items: center;
  gap: 12px;
}

.app-spec-icon {
  font-size: 1.8rem;
  line-height: 1;
}

.app-spec-title {
  font-family: var(--font-display);
  font-size: 0.85rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  color: var(--color-text-muted);
}

.app-spec-value {
  font-size: 1rem;
  font-weight: 700;
  color: var(--color-text-primary);
}

/* --- HowTo Roadmap Section --- */
.howto-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-lg);
  margin-top: var(--space-2xl);
}

.howto-card {
  background: white;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-xl);
  position: relative;
  transition: var(--transition-base);
}

.howto-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
  border-color: var(--color-primary-light);
}

.howto-step-badge {
  display: inline-block;
  background: var(--gradient-primary);
  color: white;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 0.8rem;
  padding: 4px 12px;
  border-radius: var(--radius-full);
  margin-bottom: var(--space-md);
}

@media (max-width: 992px) {
  .howto-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 600px) {
  .howto-grid {
    grid-template-columns: 1fr;
  }
  .app-store-specs {
    flex-direction: column;
    align-items: flex-start;
  }
}